SuperKEKB Shift Report

2026/5/4 (Mo) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
H.IKEDA T.ISHIDA MI.TANAKA
T.AOYAMA
X.ZHOU S.KUSANO
T.KUDO
Tak-Shun Lau

Shift Summary

recorded delivered
Peak luminosity 4.14 x 10 34 cm-2s-1
Integrated luminosity (shift) 738.8 pb-1 874.6 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1601.1 mA 1200.2 mA 28.4 mA
No. bunches 2346 2346
Beta at IP 55 mm / .9 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 3 1

IP Knob Tuning

08:00 LER HER
r1 (mrad) -1.00 0.50
r2 (mm) -4.70 7.00
r3 (1/hm) 50.00 -65.00
r4 (crad) 10.00 -22.00
ηy (mm) -0.16 0.00
ηpy (mrad) -38.00 0.00
waist (mm) 1.39 -1.20
chromatic r1 (mrad) 35.00 70.00
chromatic r2 (mm) 35.00 23.00
chromatic r3 (1/m) 1.90 0.70
chromatic r4 (rad) -1.50 7.00
created on 05/04/2026 16:01:10